The first step in purchasing a soccer ball is determining the proper size for your age group. Many soccer leagues have different size requirements, so be sure to check with your coach to find out which is the proper size. Soccer balls come in three different sizes which range from size 3 to size 5.

Size 3

Size 3 balls are the smallest balls and are generally used for children under the age of 8

These balls are generally 23-24 inches in circumference and weigh between 11-12 ounces

Size 4

Size 4 balls are used for players between the ages of 8-12

Size 4 balls weigh between 12-13 ounces and have a circumference of 25-26 inches

Size 5

This is the international standard match ball for all ages 13 and older, including all adult play

The size 5 ball weighs between 14-16 ounces with a circumference of 27-28 inches

These balls are made of a durable synthetic material that offers a feel much like leather

These balls are very durable - only slightly less than PVC, scuff-resistant, and water-resistant

They often have a glossy coating for additional protection

PVC

PVC balls are molded out of a plastic-like PVC material and are generally the least expensive balls

These are very durable, scuff-resistant and water-resistant but offer less feel and softness than polyurethane balls

They often have a glossy coating for additional protection

Panels

The number of panels -- the different segments that make up the outside of the ball -- varies for each design

A 32-panel ball is the most common and is the type used in most professional matches

Other traditional designs are 18 and 26-panel constructions, used in various professional leagues, including Major League Soccer

Fewer panels generally means the ball can be curved more when kicked because of less stability to the cover

Panels can be either stitched or glued:

Stitched

The highest quality balls are stitched with a polyester or similar thread

High-end balls are hand-stitched, while most mid-priced balls are machine-stitched

Glued

Lower-end, practice balls generally have the panels glued together onto the lining

These offer a harder feel and are generally less expensive than stitched balls

Lining

Linings are inserted between the cover/panels and the bladder to provide shape, feel, control and structure

Higher end balls usually have four layers of polyester and cotton lining for superior shape retention and durability

Mid-level balls generally are comprised of two or three layers of cotton and two layers of polyester

Lower-priced balls generally are constructed of two layers of polyester

Bladder

The bladder is the inside part of the ball that is filled with air. Most balls use butyl valves for air retention, with higher end balls using a silicone-treated valve for superior performance. Don't forget to buy a small pump and some needles to keep your ball inflated. There are two basic types of bladders:

Latex

These traditional bladders are soft and offer a good feel

Latex bladders are generally used on higher-quality balls

They do not hold air as well and generally require more frequent filling